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This has come up a couple of times. They're probably going to have to replace the comm box - apparently there was a bad batch. Mine started with SOS errors, then I started to have other stuff get weird, like turn signals. Basically anything that routes through that box can get funky. Once they replaced it everything was fine.
I picked my car up at the same time as you, so it stands to reason you might have the same bad box. And no, it wasn't limited to the M2, it could be any car that uses the same comm box.
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